DYT/Tool/OpenSceneGraph-3.6.5/include/geos/operation/overlay/OverlayNodeFactory.h
2024-12-25 07:49:36 +08:00

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1.5 KiB
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/**********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://geos.osgeo.org
*
* Copyright (C) 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************
*
* Last port: operation/overlay/OverlayNodeFactory.java rev. 1.11 (JTS-1.10)
*
**********************************************************************/
#pragma once
#include <geos/export.h>
#include <vector>
#include <geos/geomgraph/NodeFactory.h> // for inheritance
// Forward declarations
namespace geos {
namespace geom {
class Coordinate;
}
namespace geomgraph {
class Node;
}
}
namespace geos {
namespace operation { // geos::operation
namespace overlay { // geos::operation::overlay
/** \brief
* Creates nodes for use in the geomgraph::PlanarGraph constructed during
* overlay operations. NOTE: also used by operation::valid
*/
class GEOS_DLL OverlayNodeFactory: public geomgraph::NodeFactory {
public:
OverlayNodeFactory(): geomgraph::NodeFactory() {}
geomgraph::Node* createNode(const geom::Coordinate& coord) const override;
static const geomgraph::NodeFactory& instance();
};
} // namespace geos::operation::overlay
} // namespace geos::operation
} // namespace geos